Wadmond—Flora of Racine and Kenosha Counties . 879 
-894. Senecio aureus, L. Golden Ragwort; Squaw-weed. 
Occasional; rich woods. 
895. Senecio aureus, L., var. gracilis, Britton. 
Common; low prairies. 
896. Senecio vulgaris, L. Groundsel. 
Rare; persisting for years in garden of my old home 
at Racine. 
897. Arctium minus, Schk. Burdock. 
Common; waste places. 
898. Cnicus lanceolatus, Hoffm. Bull Thistle. 
Common; pastures, fields and open woods. 
899. Cnicus altissimus, Willd. Tall Thistle. 
Common; fields and open woods. 
'900. Cnicus altissimus, Willd., var. discolor, Gray. (C. dis¬ 
color, Muhl.) Field Thistle. 
Common; same habitat as preceding. 
*901. Cnicus arvensis, Hoffm. Canada Thistle. 
Common; cultivated fields, pastures and roadsides. 
A bad weed, difficult to eradicate, but which our farmers 
do not combat as they should. 
